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Kimi K2 (0905) vs GLM-4.5-Air

Moonshot AI
Kimi K2 (0905)
Z.ai
GLM-4.5-Air
Overview
CompanyMoonshot AIZ.ai
Release dateSep 5 2025Jul 28 2025
AccessOpen WeightOpen Weight
Specifications
Parameters
1T
106B
Context window
256k
Benchmarks
Coding
SWE-Bench Verified
65.8%Best
59.8%
Science
GPQA Diamond
75.1%
Timeline
Release gapGLM-4.5-Air shipped 39 days before Kimi K2 (0905)

Which is better: Kimi K2 (0905) or GLM-4.5-Air?

Kimi K2 (0905) leads GLM-4.5-Air on 1 of the 1 benchmark they both report (SWE-Bench Verified). GLM-4.5-Air shipped 39 days before Kimi K2 (0905), so benchmark comparisons should account for the intervening progress.

Kimi K2 (0905) has 1T parameters, while GLM-4.5-Air has 106B.

On SWE-Bench Verified, Kimi K2 (0905) leads at 65.8% vs GLM-4.5-Air at 59.8%.

Frequently asked questions

Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.

GLM-4.5-Air was released by Z.ai on Jul 28 2025.

Kimi K2 (0905) leads on SWE-Bench Verified — Kimi K2 (0905) 65.8% vs GLM-4.5-Air 59.8%.

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